Home / 17,942,776.20-26,920,385.10-7,852,638.60

Finding the Fourth Proportional to 17,942,776.20, 26,920,385.10 and 7,852,638.60

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Solution

The fourth proportional to 17,942,776.20, 26,920,385.10 and 7,852,638.60 is: 11,781,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942,776.20 : 26,920,385.10 = 7,852,638.60 : x
  2. Step 2: Convert to fraction form
    17,942,776.20/26,920,385.10 = 7,852,638.60/x
  3. Step 3: Cross multiply
    17,942,776.20x = 26,920,385.10 × 7,852,638.60
  4. Step 4: Simplify right side
    17,942,776.20x = 211,396,055,163,124.88
  5. Step 5: Solve for x
    x = 211,396,055,163,124.88/17,942,776.20
  6. Step 6: Final answer
    x = 11,781,680.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.